Comment 2 for bug 1053454

StacktraceTop:
 __libc_message (do_abort=2, fmt=0xb4dc91dc "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
 malloc_printerr (action=<optimized out>, str=<optimized out>, ptr=0xbfb0c904) at malloc.c:5007
 operator delete (ptr=0xbfb0c904) at ../../../../src/libstdc++-v3/libsupc++/del_op.cc:48
 QNetworkProxyFactory::~QNetworkProxyFactory (this=0xbfb0c904, __in_chrg=<optimized out>) at kernel/qnetworkproxy.cpp:1295
 ~QGlobalNetworkProxy (this=0x9f4f378, __in_chrg=<optimized out>) at kernel/qnetworkproxy.cpp:261